/*
 * Copyright 2022 Bytedance Ltd. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.bytedance.bitsail.test.connector.test.utils;

import java.io.IOException;
import java.net.ServerSocket;

public class NetworkTestUtils {

  public static int nextFreePort() {
    try (ServerSocket socket = new ServerSocket(0)) {
      return socket.getLocalPort();
    } catch (IOException e) {
      throw new RuntimeException();
    }
  }
}
